Carrier 38MFC - Wiring Diagrams

10
WIRING DIAGRAMS
INDOOR WIRING DIAGRAM
M
CN5
YELLOW
RED
DISPLAY BO ARD
5
C N10A
CN11
CN8
CN9
P_1
8
CN16
L_IN
L
N
S
U
V
W
BLUE
U
V
W
4
CN28
CN26
CN10(CN19)
N-B
CN15
CN16
L2
N-A
Y/G
RED
BLUE
BLACK
5
CN34
CN33
CN6
CN7
CN5
CN4
L N S
BROWN
BLUE
YELLOW
Y/G
Y/G
N
L
N
BLACK
BLACK
L-A(CN37)
L-B(CN36)
RED
RED
REACTOR
RY3
GND
CN8
CN9
HEATER, CRANKCASE
T
RED
BLACK
CS
Y/G
Power Input
GND
2020375A5475
2020325B3267
Dashed frame parts only for heat pump model.
M
~
3(2)
3
6
4
FA
N
C
A
P
A
CIT
O
R
B
O
A
R
D
F
AN
C
A
PA
C
IT
OR
B
OAR
D
Optional
CN 2
CODE PART NAME
L_IN FireWire L input terminal CN11 Zero line N input terminal CN16 Internal and external communication line interface CN6 Indoor fan interface CN4 Fan feedback interface CN5 Stepper motor interface P_1 Ground interface CN8 Room temperature sensor interface CN9 Pipe temperature sensor interface CN10A Display interface CN1 Electronic expansion valve interface CN14 Compressor top temperature sensor (optional) CN15 Exhaust temperature sensor CN16 Outdoor temperature & amp; condenser pipe temperature sensor CN10 DC fan output port (no) CN19 AC fan output port CN33 Electric heating wire line N CN34 Electric heating wire line L CN26,CN28 Four way valve control port CN4 Power L input terminal CN5 Power N input terminal CN6 Ground wire CN7 Communication line CN8,CN9 Reactor connected line port CN36,CN37 PFC capacitor connected line port N-B Power L input terminal CN17 Test panel interface U V W Compressor connection port
OUTDOOR WIRING DIAGRAM
Fig. 6 – Wiring Diagram 38/40MFC/MFQ009 / 38/40MFC/MFQ012 (115V)